.my-drawer {
    position: relative;
    overflow: auto;
    -webkit-overflow-scrolling: touch;
  }
  .my-drawer .am-drawer-sidebar {
    background-color: #fff;
    overflow: auto;
    -webkit-overflow-scrolling: touch;
  }
  .my-drawer .am-drawer-sidebar .am-list {
    width: 300px;
    padding: 0;
  }